Home / 39,936.80-59,887.92-12,228.32

Finding the Fourth Proportional to 39,936.80, 59,887.92 and 12,228.32

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Solution

The fourth proportional to 39,936.80, 59,887.92 and 12,228.32 is: 18,337.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,936.80 : 59,887.92 = 12,228.32 : x
  2. Step 2: Convert to fraction form
    39,936.80/59,887.92 = 12,228.32/x
  3. Step 3: Cross multiply
    39,936.80x = 59,887.92 × 12,228.32
  4. Step 4: Simplify right side
    39,936.80x = 732,328,649.89
  5. Step 5: Solve for x
    x = 732,328,649.89/39,936.80
  6. Step 6: Final answer
    x = 18,337.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.